Question 3 {1 point) You are producing some statistics on the white blood cell count of leukaemia patiens being treated with a new drug. Your supervisor asks vou to provide the coefficient of variation of the sample. Whv would this be useful? 0 Because it provides a measure of spread in the data in terms of a percentage spread around the mean that is independent of the units of measurement. 0 Because it enables vou to estimate the variabilitv in the data more accuratelv if the population is not normallv distributed. 0 Because it provides you with the means to calculate the 95% confidence intervals for the mean. 0 Because it helps vou determine if the data are normallv distributed